Home / 12,643,305.75-17,447,815.13-6,842,087.77

Finding the Fourth Proportional to 12,643,305.75, 17,447,815.13 and 6,842,087.77

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Solution

The fourth proportional to 12,643,305.75, 17,447,815.13 and 6,842,087.77 is: 9,442,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,305.75 : 17,447,815.13 = 6,842,087.77 : x
  2. Step 2: Convert to fraction form
    12,643,305.75/17,447,815.13 = 6,842,087.77/x
  3. Step 3: Cross multiply
    12,643,305.75x = 17,447,815.13 × 6,842,087.77
  4. Step 4: Simplify right side
    12,643,305.75x = 119,379,482,514,193.94
  5. Step 5: Solve for x
    x = 119,379,482,514,193.94/12,643,305.75
  6. Step 6: Final answer
    x = 9,442,109.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.